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Old 25th November 2012, 10:33 PM   #151
vgeorge is offline vgeorge  Greece
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Let' s try it then.
There is quite a distance from pre to power amp, so I prefer balanced whenever possible.
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Old 25th November 2012, 10:39 PM   #152
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You can just add a - differential input for a balanced stage. Look at the SSA Thread.
No stage added.
Simple Symetrical Amplifier
Simple Symetrical Amplifier
It will improve PSRR rejection too.
That's how my SSA is working, so far.
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Old 25th November 2012, 10:59 PM   #153
sonnya is offline sonnya  Denmark
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Hey, it does not add a lot to the design.
Pros:
No extra stage.
Cons:
This does double number active devices.
It Will be difficult to get High cmrr values.

It should be the main reason to go diff, that we wants to obtain High cmrr values.

I do not believe This solution to be optimal.
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Old 25th November 2012, 11:11 PM   #154
Salas is offline Salas  Greece
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3MHZ -3dB George found with gen & scope he told me. That's fast...
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Old 26th November 2012, 02:04 AM   #155
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Quote:
Originally Posted by sonnya View Post
It Will be difficult to get High cmrr values.
Just need to fine tune the resistances value of the -stage. But it is a necessary practice for all symmetrical asymmetrical recievers.
Even the Analog device SSM circuit is laser trimmed in the wafer.
Two, it can reduce some distortion, and reduce noise from the psu.
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Old 26th November 2012, 05:53 AM   #156
vgeorge is offline vgeorge  Greece
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Just remember I ve seen this one from lazycat.
What is your opinion?
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File Type: jpg RCA-XLR Input.jpg (188.4 KB, 147 views)
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Old 26th November 2012, 06:55 AM   #157
sonnya is offline sonnya  Denmark
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Hello vgeorge.

This one is fine idear to implement on a diff. input.
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Old 26th November 2012, 06:56 AM   #158
sonnya is offline sonnya  Denmark
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Quote:
Originally Posted by Esperado View Post
You can just add a - differential input for a balanced stage. Look at the SSA Thread.
No stage added.
Simple Symetrical Amplifier
Simple Symetrical Amplifier
It will improve PSRR rejection too.
That's how my SSA is working, so far.
Hello Esperado.

You also have to remember that this is not practical to do for them who has purchased and build the TSSA V1.6.
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Old 26th November 2012, 09:16 AM   #159
vgeorge is offline vgeorge  Greece
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Thanks Sonny, I will try it soon.
Now I am listening to it and what can I say? It is a fantastic amp. Musicality with resolution and not harsh at all. Highly recommended to everyone with suitable speakers for it. I don' t think people know what they are missing!
It is powering my main system from 80Hz and up. Horns about 100dB and more than 15R load.
Had before various incarnations of F5, Aleph J, EL84 Baby Huey, this one beats them all.
Thank you very much Sonny.
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Old 26th November 2012, 09:19 AM   #160
sonnya is offline sonnya  Denmark
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I am glad you like it!!!
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